#!/bin/bash

# SlackBuild for bit-babbler, 7 March 2019
# awg <awg@cock.li>
# All rights reserved.
#
# Permission to use, copy, modify, or distribute this software for any
# purpose with or without fee is hereby granted, provided that this
# notice of copyright and permission appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
# WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
# WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
# AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
# DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
# PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
# TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
# PERFORMANCE OF THIS SOFTWARE.

## The BitBabbler software itself remains a copyrighted work.  Please
## see the file 'copyright' in the bit-babbler source distribution.

cd $(dirname $0) ; CWD=$(pwd)

PRGNAM=bit-babbler
VERSION=${VERSION:-0.8}
BUILD=${BUILD:-2}
TAG=${TAG:-_SBo}
PKGTYPE=${PKGTYPE:-tgz}

if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) ARCH=i586 ;;
    arm*) ARCH=arm ;;
       *) ARCH=$( uname -m ) ;;
  esac
fi

# If the variable PRINT_PACKAGE_NAME is set, then this script will report what
# the name of the created package would be, and then exit. This information
# could be useful to other scripts.
if [ ! -z "${PRINT_PACKAGE_NAME}" ]; then
  echo "$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE"
  exit 0
fi

TMP=${TMP:-/tmp/SBo}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}

if [ "$ARCH" = "i586" ]; then
  SLKCFLAGS="-O2 -march=i586 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -march=i686 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
  LIBDIRSUFFIX="64"
else
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
fi

set -e

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $PRGNAM-$VERSION
tar xvf $CWD/$PRGNAM\_$VERSION.tar.gz
cd $PRGNAM-$VERSION
chown -R root:root .
find -L . \
 \( -perm 777 -o -perm 775 -o -perm 750 -o -perm 711 -o -perm 555 \
  -o -perm 511 \) -exec chmod 755 {} \; -o \
 \( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444 \
  -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;

CFLAGS="$SLKCFLAGS" \
CXXFLAGS="$SLKCFLAGS" \
./configure \
  --prefix=/usr \
  --libdir=/usr/lib${LIBDIRSUFFIX} \
  --sysconfdir=/etc \
  --localstatedir=/var \
  --mandir=/usr/man \
  --enable-shared \
  --build=$ARCH-slackware-linux

make
make install DESTDIR=$PKG

find $PKG -print0 | xargs -0 file | grep -e "executable" -e "shared object" | grep ELF \
  | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null || true

find $PKG/usr/man -type f -exec gzip -9 {} \;
for i in $( find $PKG/usr/man -type l ) ; do ln -s $( readlink $i ).gz $i.gz ; rm $i ; done

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION $PKG/usr/doc/$PRGNAM-$VERSION/examples
cp -a debian/copyright debian/changelog debian/bit-babbler.NEWS doc/virtual_machines $PKG/usr/doc/$PRGNAM-$VERSION
cp -a doc/examples/*.pl $PKG/usr/doc/$PRGNAM-$VERSION/examples
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild

# install sysctl setting, udev rules, and init script.
install -D -m 0644 debian/bit-babbler-sysctl.conf $PKG/etc/sysctl.d/bit-babbler-sysctl.conf
install -D -m 0644 debian/bit-babbler.udev $PKG/lib/udev/rules.d/90-bit-babbler.rules
install -D -m 0644 $CWD/rc.seedd.new $PKG/etc/rc.d/rc.seedd.new
# set default socket control group in udev rules and seedd.conf for finished package.
if [ "${BBGROUP:=bit-babbler}" ]; then
  sed -i -e "s/^\(GROUP=\"\)bit-babbler\(\"\)/\1$BBGROUP\2/" \
         -e "s/\(-m g:\)bit-babbler\(:rw\)/\1$BBGROUP\2/" $PKG/lib/udev/rules.d/90-bit-babbler.rules
  mv $PKG/etc/bit-babbler/seedd.conf $PKG/etc/bit-babbler/seedd.conf.new
  sed -i -e "s/^\([[:blank:]]*socket-group[[:blank:]]*\)adm/\1$BBGROUP/" $PKG/etc/bit-babbler/seedd.conf.new
fi

# remove trash.
rm -rv $PKG/lib/systemd/

mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc
cat $CWD/doinst.sh > $PKG/install/doinst.sh

cd $PKG
/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE
